noun. Any of the military expeditions undertaken by European Christians in the 11th, 12th, and 13th centuries to recover control of the Holy Land from the Muslims.

noun. A holy war undertaken with papal sanction.

noun. A concerted effort or vigorous movement for a cause or against an abuse.

intransitive verb. To engage in a crusade.

To engage in a crusade; support or oppose any cause with zeal.

noun. A military expedition under the banner of the cross; specifically, one of the medieval expeditions undertaken by the Christians of Europe for the recovery of the Holy Land from the Mohammedans.

noun. Any vigorous concerted action for the defense or advancement of an idea or a cause, or in opposition to a public evil: as, a temperance crusade; the crusade against slavery.

noun. Same as crusado.

noun. Any one of the military expeditions undertaken by Christian powers, in the 11th, 12th, and 13th centuries, for the recovery of the Holy Land from the Mohammedans.

noun. Any enterprise undertaken with zeal and enthusiasm.

noun. A Portuguese coin. See Crusado.

intransitive verb. To engage in a crusade; to attack in a zealous or hot-headed manner.

noun. Any of the military expedition undertaken by the Christians of Europe in the 11th to 13th centuries to reconquer the Levant from the Muslims.

noun. A grand concerted effort toward some purportedly worthy cause.

verb. To make a grand concerted effort toward some purportedly worthy cause.

noun. any of the more or less continuous military expeditions in the 11th to 13th centuries when Christian powers of Europe tried to recapture the Holy Land from the Muslims

verb. go on a crusade; fight a holy war

noun. a series of actions advancing a principle or tending toward a particular end

verb. exert oneself continuously, vigorously, or obtrusively to gain an end or engage in a crusade for a certain cause or person; be an advocate for

"In a letter written in 1954, Farber used the word crusade to describe their campaign against cancer."